US5177263AExpiredUtility

N-allyl-N-dialkoxyethyl amide or amine monomers

Assignee: NAT STARCH CHEM INVESTPriority: Sep 24, 1991Filed: Sep 24, 1991Granted: Jan 5, 1993

Est. expirySep 24, 2011(expired)· nominal 20-yr term from priority

Inventors:John C. Leighton Dennis Victor Neigel Carmine P. Iovine

D06M 15/263C08F 26/02D06M 15/3562C07C 217/40D06M 15/227D06M 15/29D06M 15/333D06M 15/285C07C 233/18

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Abstract

A formaldehyde-free latent crosslinking monomer represented by the formula ##STR1## in which R 1 and R 2 are C 1 -C 3 alkyl; R 3 is hydrogen, C 1 -C 3 alkyl, or R 4 --C(O)--; and R 4 is C 1 -C 3 alkyl or C 6 -C 8 aryl, contains an allyl group capable of undergoing addition copolymerization and a dialkoxy ethyl group capable of crosslinking under acidic conditions. The monomer can be copolymerized with comonomers to form emulsion polymers for use as formaldehyde-free binders in nonwoven textiles. Methods for the preparation of the monomer, the polymers, and the nonwoven fabrics are described.

Claims

exact text as granted — not AI-modified

We claim: 
     
       1. A monomer represented by the formula: ##STR5## in which R 1  and R 2  are C 1  -C 3  alkyl, and R 3  is C 1  -C 3  alkyl or C 6  -C 8  aryl.

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